🚀 go-pugleaf

koala@sydney.DIALix.oz.au (John Savage) wrote:

>I know MSDOS is rudimentary, but I try to get the most out of it ...

>When I give a .BAT file an argument which is the name of an environment
>variable, it would often be useful to be able to determine the value of
>that variable within the batch script. Unix provides this with the EVAL
>function, but in DOS I can't do it without writing to a file (or passing
>the value in as a second argument).

>e.g.,  SET I=45
>       CALL FF1 I

>       { in FF1, %1 has the value of I, but
>         I would like to use something like
>         %(%1)% and have it evaluate to 45  }

>Has anyone discovered a nifty way to do this using pure MSDOS and
>without writing to, then executing, a second batch file?
>--
>John Savage               koala@sydney.dialix.com.au

Are you trying to set I and have FF1 use 45, or do you just want to
use 45 in FF1.  If you just want to use 45 couldn't just use %1 in the
batch file, of what about the IF %1==I THEN command?

Skeleton Jack                 anderson@cnw.com